/*
    * Copyright (C) 2011, Christian Halstrick <christian.halstrick@sap.com> and others
    *
    * This program and the accompanying materials are made available under the
    * terms of the Eclipse Distribution License v. 1.0 which is available at
    * https://www.eclipse.org/org/documents/edl-v10.php.
    *
    * SPDX-License-Identifier: BSD-3-Clause
    */
  package org.eclipse.jgit.api;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.fail;
  
  import java.io.File;
  import java.io.IOException;
  
  import org.eclipse.jgit.api.ListBranchCommand.ListMode;
  import org.eclipse.jgit.api.errors.GitAPIException;
  import org.eclipse.jgit.api.errors.JGitInternalException;
  import org.eclipse.jgit.errors.RepositoryNotFoundException;
  import org.eclipse.jgit.junit.RepositoryTestCase;
  import org.eclipse.jgit.lib.Repository;
  import org.eclipse.jgit.util.FileUtils;
  import org.junit.Before;
  import org.junit.Test;
  
  public class GitConstructionTest extends RepositoryTestCase {
  	private Repository bareRepo;
  
  	@Override
  	@Before
  	public void setUp() throws Exception {
  		super.setUp();
  		try (Git git = new Git(db)) {
  			git.commit().setMessage("initial commit").call();
  			writeTrashFile("Test.txt", "Hello world");
  			git.add().addFilepattern("Test.txt").call();
  			git.commit().setMessage("Initial commit").call();
  		}
  
  		bareRepo = Git.cloneRepository().setBare(true)
  				.setURI(db.getDirectory().toURI().toString())
  				.setDirectory(createUniqueTestGitDir(true)).call()
  				.getRepository();
  		addRepoToClose(bareRepo);
  	}
  
  	@Test
  	public void testWrap() throws JGitInternalException, GitAPIException {
  		Git git = Git.wrap(db);
  		assertEquals(1, git.branchList().call().size());
  
  		git = Git.wrap(bareRepo);
  		assertEquals(1, git.branchList().setListMode(ListMode.ALL).call()
  				.size());
  
  		try {
  			Git.wrap(null);
  			fail("Expected exception has not been thrown");
  		} catch (NullPointerException e) {
  			// should not get here
  		}
  	}
  
  	@Test
  	public void testOpen() throws IOException, JGitInternalException,
  			GitAPIException {
  		Git git = Git.open(db.getDirectory());
  		assertEquals(1, git.branchList().call().size());
  
  		git = Git.open(bareRepo.getDirectory());
  		assertEquals(1, git.branchList().setListMode(ListMode.ALL).call()
  				.size());
  
  		git = Git.open(db.getWorkTree());
  		assertEquals(1, git.branchList().setListMode(ListMode.ALL).call()
  				.size());
  
  		try {
  			Git.open(db.getObjectsDirectory());
  			fail("Expected exception has not been thrown");
  		} catch (RepositoryNotFoundException e) {
  			// should not get here
  		}
  	}
  
  	@Test
  	/**
  	 * Tests that a repository with packfiles can be deleted after calling
  	 * Git.close(). On Windows the first try to delete the worktree will fail
  	 * (because file handles on packfiles are still open) but the second
  	 * attempt after a close will succeed.
  	 *
  	 * @throws IOException
  	 * @throws JGitInternalException
  	 * @throws GitAPIException
  	 */
  	public void testClose() throws IOException, JGitInternalException,
 			GitAPIException {
 		File workTree = db.getWorkTree();
 		Git git = Git.open(workTree);
 		git.gc().setExpire(null).call();
 		git.checkout().setName(git.getRepository().resolve("HEAD^").getName())
 				.call();
 		try {
 			FileUtils.delete(workTree, FileUtils.RECURSIVE);
 		} catch (IOException e) {
 			git.close();
 			FileUtils.delete(workTree, FileUtils.RECURSIVE);
 		}
 	}
 }